Behavioral task
behavioral1
Sample
2024-03-11_b7e53b419712f8c06b0e0ee4c629056f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_b7e53b419712f8c06b0e0ee4c629056f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_b7e53b419712f8c06b0e0ee4c629056f_cryptolocker
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Size
149KB
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MD5
b7e53b419712f8c06b0e0ee4c629056f
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SHA1
71477554d4e5a2d0bcd3847b36a3c7c5970305c5
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SHA256
3744d20063ad486171aed80252ed17f66bb40e0fbe28a49d67d7571458ac0a22
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SHA512
38f5dec9f4d42209a1cd7b1676e9df57dff4da6608a9c39edc2c3af234280b78ca76379d50531ceae406b378e1a0848f21c618af287fc18cb573696a0dfda605
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1e2G:z6a+CdOOtEvwDpjczN
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-11_b7e53b419712f8c06b0e0ee4c629056f_cryptolocker
Files
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2024-03-11_b7e53b419712f8c06b0e0ee4c629056f_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE